Spirit level



FIG. 1 is a front view of the spirit level.

FIG. 2 is a top view of the spirit level.

FIG. 3 is a bottom view of the spirit level.

FIG. 4 is a left side view of the spirit level.

FIG. 5 is a right side view of the spirit level; and,

FIG. 6 is an isometric view of the spirit level. 

The ornamental design for a spirit level, as shown. 